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TA7680APTOSHIBAN/a552avaiTELEVISION PIF + SIF SYSTEM


TA7680AP ,TELEVISION PIF + SIF SYSTEMTA7680AP , TA7681APTOSHIBA BIPOLAR LINEAR INTEGRATED CIRCUITSILICON MONOLITHIC' m INTEGRATED CIRCUI ..
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TC551001CSTI-70L ,131,072 WORD x 8 BIT STATIC RAMfeatures using CEI and CE2. . Data retenttm" c11hh1v vnH-o frm "po +0 5.5 V TC551001CPl/CFl/CFT ..
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TC551402J-22 ,4,194,304 WORD BY 1-BIT/1,048,576 WORD BY 4 BIT CMOS STATIC RAMTOSHIBA TC551402J-22,-254,194,304-WORD BY 1-BlT/1,048,576-WORD BY 4-BIT CMOS STATIC RAMThe TC551402 ..
TC551402J-25 ,4,194,304 WORD BY 1-BIT/1,048,576 WORD BY 4 BIT CMOS STATIC RAMTOSHIBA TC551402J-22,-254,194,304-WORD BY 1-BlT/1,048,576-WORD BY 4-BIT CMOS STATIC RAMThe TC551402 ..


TA7680AP
TELEVISION PIF + SIF SYSTEM
aatsa |NTEGRA1
555% TECHNICAL DATA
TELEVISION PIF + SIF SYSTEM
TA7S80p,p...".r0R FET TONER
TA7681FP....FOR NPN TONER
FUNCTIONS
Three Controlled IF Amplifier Stages
. Video Demodulator Controlled by Picture Carrier
Black Noise and White Noise Inverter
Peak AGC
DC Amplifier for RF AGC Out
Three Differential IF Amplifier Stages
Phase Detector
. DC Controlled Attenuator
. Audio Amplifier Stage with NFB Terminal
FEATURES
PIF, SIF, ATT AUDIO DRIVER
2 Chip Color TV System is Possible with TA7644BP
. High Gain, Hide Band IF Amplifier
. AGC Characteristics wigh Excellent Stability
Excellent DG/DP Characteristics
CIRCUIT TA7680AP , TA7681AP
TOSHIBA BIPOLAR LINEAR INTEGRATED CIRCUIT
SILICON MONOLITHIC
Unit in mm
as 21 19 l7 15 13
24 22 20 18 16 IA
324MAX x 15241025
E loo QZMAXI , 10
O 'T '
d 1AA -._s..l j
" I I l
Lead pitch is 254 and tolerance is
iuzs against theoretical center of
each lead that is obtained on the
basis of No.1 and No_24 leads.
JEDEC -
TOSHIBA 5-38A
Excellent S/N Characteristics Due to Delayed 3 Stages AGC Action
Negative Video Output Signal
Switch Off the Video Part with VTR su
Excellent Limitter Characteristics
Excellent Attenuator Characteristics
'tCY 30972“? DULHEIH Elytt E3
7983-3-30 TOSHIBA CORPORATION EJB--TA7 680AP-l
http://www.chipdocs.com
- aat,n INTEGRAT CIRCUIT
Eiiiieifiit TECHNICAL DATA
TA768OAP ,TA'768 IAP
MAXIMUM RATINGS (Ta=250C)
CHARACTERISTIC SYMBOL RATING UNIT
Supply Voltage VCC 15 V
Terminal 11 Open Voltage V11 15 ll
Video DC Output Current 115 6 mA
Audio DC Output Current I3 3 mA
Terminal 2 Voltage V2 15 V
Power Dissipation (Note) PD 1.6 W
Operating Temperature Topr -20-65 oc
Storage Temperature Tstg -55--150 oc
Note l Derated above Ta=250C in the proportion of 12.8mW/OC.
PD - Ta
st., L6
g L2 . N.
E . "ss,
rr'?, as \\
E 0.4 'N
o 50 100 150 200
AMBIENT TEMPERATURE Ta CC)
CD 903734? DDLHEED TTI, Cl
1983-3-30 TOSHIBA . CORPORATION EJB-TA7680AP-2
http://www.chipdocs.com
gi%n INTEGRATED CIRCUIT
Eiii'li:'fi'i TECHNICAL DATA
TA7680AP , TA768 IAP
BLOCK DIAGRAM
SIF DET APT TANK
["3" SIF AFT AFT
I Hm I INPUT vCC OUT 2 OUT 1
htf:J I, o
De-IMP. l
21 J 23 " 13
BIAS k-ry,
CIRCUIT t 2
"Pd VIDEO APT
. DET DET i
VIDEO S?
. SLIMITTER :EAMP
) FM DET NOISE
or, INVERTER
AUDIO 3
AMP AGC
1 2 5 6 (Y 8 i9}?
ty f: 1 ‘.. _ a
VOLUME NFB AUDIO AUDIO
OUT GND
IF AGC
FILTER
VTR SW PIF INPUT
RI? AGC RF AOC Ply'
DELAY OUT GND
D “10373"? DULCIEE]. Tli? D
'T983-3-30 TOSHIBA CORPORATION EJB-TA7 680AP-3
http://www.chipdocs.com
aatcu INTEGRAT CIRCUIT
iiMirfii'i TECHNICAL DATA
'1'Al76t3OAP,TAl76t31AP
ELECTRICAL CHARACTERISTICS (Ta=250C, vcc=12V, fp=58.75MHz, fs=54.25MHz)
PIF SECTION
CHARACTERISTIC SYMBOL CIR- TEST CONDITION MIN. TYP. MAX. UNIT
Recommended Supply Voltage VCC - - 10.8 12.0 13.2 V
Supply Current ICC 1 - 50 72 95 mA
SW1:1(TA768OAP)
Video DC Output Voltage v15 1 2(TA7681AP) 5.2 5.5 5.8 ll
SW1:1(TA768OAP)
V13 1 2(TA7681AP) 5.3 6.8 8.3 V
AFT DC Output Voltage
SW1:1(TA7680AP)
V14 1 2(TA7681AP) 5.3 6.8 8.3 V
SW1:1(TA7680AP)
AFT DC Offset Voltage AV13-14 1 2(TA7681AP) -1.5 0 1.5 v
. SW1:1(TA7680AP)
RF ACC Residual Output
Voltage V11 SAT 1 2(TA7681AP) - - 0.5 V
SWl:1(TA7681AP)
RF AGC Leak Current 111 LEAK l 2(TA7680AP) - - l MA
. . vi
tl Video Sensitivity PIN7-8 2 (Note I) 60 150 _250 sWrms
3 AGC Range AAPIF 2 (Note 2) 6O 64 - dB
2 Sync Tip Level Voltage SYNC 2 (Note 3) 2.3 2.5 2.7 V
v (V15)
IN MAX
5; Max. IF Input Voltage PIF 2 (Note 4) 100 120 - mVrms
In VWTH ". .
White Noise Threshold Level 2 (Note 5) . 5.8 6.2 6.6 V
g: . (V15)
til White Noise Clamp Level (35:) 2 (Note 5) 3.7 4.1 4.5 v
1983-3-30 TOSHIBA CORPORATION EgB-TA7680AP-4
GTlgla
http://www.chipdocs.com
gEtiisa INTEGRA1 CIRCUIT
Eiiii'itfa'i TECHNICAL DATA
TA7680AP , TA768 IAP
CHARACTERISTIC SYMBOL CIR- TEST CONDITION MIN. TYP. MAX. UNIT
Black Noise Threshold Level 231;? 2 (Note 5) 1.4 1.6 1.8 V
. VB CL
Black Noise Clamp Level 2 (Note 5) 2,9 3.3 3.7 V
Video Frequency Response wa 3 (Note 6) 4.5 5.5 - MHz
Suppression of Carrier CL 4 (Note 7) 4O 50 - dB
Suppression of 2nd Carrier Ignd 4 (Note 8) 40 50 - dB
920kHz Beat Level 1920 4 (Note 9) 33 38 - dB
Differential Phase DP 5 (Note 10) - 3.5 5 deg
Differential Gain DG 5 (Note 10) - 7 10 'g
PIF Input Impedance RINCIN(PIF) - 3.0 10.0 pF
AFT Sensitivity AF/V13_14 2 (Note 12) - l6 - kHz/V
Upper 130 2 (Note 13) 11.7 11.9 1.20 ll
AFT Output Voltage
Lower 2 (Note 13) 1.8 2.3 2.8 V
TA7680AP SUI 1 0.3 - -
RF fjc Max. I4 MAX 1 mA
Available Current SU1e2
TA7681AP . 7.0 - -
RF AGC Delay Setting Range VIN (Note 14) 5 7 9 V
AFT Band Width de 2 (Note 13) 1.4 - .... MHZ
Video Output Voltage ”OUT 2 (Note 15) 2.25 2.5 2.75 V
SIF Output Voltage SOUT 3 (Note 16) 200 400 600 mVrms
E3 HUW?EH? UULHEEB POS E3
1983-. 3-30 TOSHIBA CORPORATION EJB-TA7680AP-5
GTIAI?
http://www.chipdocs.com
INTEGRAT
CIRCUIT
TECHNICAL DATA
TA7680AP , TA768 IAP
SIF SECTION
CHARACTERISTIC SYMBOL CIR- TEST CONDITION MIN. TYP. MAX. UNIT
Input Limitting Voltage UIN(LIM) 8 (Note 17) RD=cxo - 200 400 UVrms
SIF IN l f=4.5MHz
AM Rejection Ratio AMR 8 fm=400Hz, gfs..t25kHz " 45 - dB
AM 30%, vin=lOOdBu
SIF IN l f=4.5MHz
Recovered Output Voltage VOD 8 fm=400Hz, gf--d25kHz 0.5 0.75 - Vrms
Uin=80dBn, RD=12kQ '
SIF IN l f=4.5MHz
Total Harmonic Distortion THDDET 8 fm=400Hz, Af=t25kHz - 1.0 - r,
vin=80dM
Max. Audio Output Voltage vos 8 SIF IN t f=4.4~4.6MHz 4.0 - - Vp-p
SIF Input' Impedance RIN(SIF) 7 f=4.5MHz 10.0 20.0 30.0 k0
CIN(SIF) - 3.0 - pF
DET Output Impedance Ro(DET) 9 (Note 18) 10.0 15.0 20.0 kQ
Terminal 21 V21 SW1:1 (TA7680AP) 3.5 4.4 5.3
DC Voltage Terminal 23 V23 1 2 (TA7681AP) 4.8 6.0 7.2
Terminal 1 V1 SW2:2 6.0 6.7 7.4
Max. Attenuation ATT MAX 10 (Note 19) 6O - - dB
_ RA=O
DC Volume Gain GATT MIN 10 GATT MIN=20€0g 2 4 6 8 dB
ATT Characteristics 1 V1(l) 10 y.; 3.8 V
Signal Leakage vPT 11 (Note 20) - 1.0 3.0 mVrms
AF Amp. Gain Gv AF 13 (Note 21) - 20 - dB
P23A=1Vpp, 400Hz
AF Amp. Distortion THD AF 12 SW3:ON - 1.5 - 1(
ATT:-26dB Setting
AF Amp. Max. Output Voltage VOAF MAX 13 (Note 21) THDAF " 1.5 2.0 - Vrms
swl:1 (TA768OAP)
AF Output DC Voltage V3 1 2 (TA7681AP) 6.7 7.7 8.8 V
* Read the 400Hz component of VAl at P2 with RA=0, Set RA so that VA1'¥%VA1 (-6dB),
then read DC voltage of terminal 1 (V1).
XX Read the 400H2 component of VAl at P2 with RA=0, Set RA so that VA1'=3.16 x10-3 VAl
(-SOdB) then read DC Voltage of terminal 1 (V1).
GTIAI?
http://www.chipdocs.com
E3 30972"? 001352” EH1 E3
TOSHIBA CORPORATION
EJB-TA7680AP-6
aaia INTEGRATED CIRCUIT
Mite'? TECHNICAL DATA
TA7680AP , TA'768 IAP
TEST CIRCUIT
l . DC CHARACTERISTIC
15 ll 13
3.31:0
Gokn( TA7680AP)
16kQ(TA768lAP)
C=a01pP
E3 nnnpiyi7 UULHEES 566 E3
TOSHIBA . CORPORATION EJB-TA7 680AP-7
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http://www.chipdocs.com
INTEGRAI CIRCUIT
TECHNICAL DATA
TA7680AP , TA768 IAP
2 . AC CHARACTERISTIC
(TP21) (TP12A) (TP12)
P23A F23 STF IN Vcc P15A P15 P14 P13
Q © 0 9 o ?
TRF'1028 10014] C
TRFSOOZ
<9 02 Os Ci) C) a q? 12
ClOl/lF
= Cl c: , t 0.00111F m C
i M x h H.- H ct x
"t g :3 :03: I a g" g g 3
d (t,f d v.
t, 0 ©
C)? . C
ATT SW3 N x. 391:0 : TA'76BOAP
ADJ fsxy a
93s 1.61:0. TA'7681AP
il Cl g t
A g' H -1e
J) RF DELAY i, J)
6) o o ADJ 0
P1 P2 P3 P5 PIF IN P10 P11
(TP22) (TP14) (TPlS)
D 'iEI'TNELI? Mh'iflai?l, HILL! D_
TOSHIBA CORPORATION
GTIAIZ
http://www.chipdocs.com
EJB-TA7 680AP-8
" aats: INTEGRAT CIRCUIT
Mi35fit: TECHNICAL DATA
TA7680AP , TA768 IAP
3. VIDEO FREQUENCY RESPONSE AND SIF OUTPUT VOLTAGE
sol __l MON. SCOPE
500 TEST
PAD PIF CIRCUIT 2
4. INTER MODULATION
MON. SCOPE
58.75MHZ
250 250 TEST
st ---ttt AM ATT PIF CIRCUIT 2
51.25MHz, IN SPECTRUM
P15A ANALYZER
S(IG -ttt---
5517MHZ
5. DG, DP
MON. SCOPE
;DG/®P MEASURING EQUIPMENT
SIGNAL
VIDEO OUT SIGNAL IN T
MODULATOR ATT TEST
fo=5875MHz PIF IN CIRCUIT 2
'APL=50%
ATT :ADJUST SYNC TIP LEVEL TO DC asv
E: 30372”? m0''UaE7 BSD :3
1983-3-30 TOSHIBA CORPORATION EJB-TA7680AP-9
GTIAIZ
http://www.chipdocs.com
gi%n INTEGRA1' CIRCUIT
EiiiE'iifli TECHNICAL DATA
TA768OAP ,TA7681AP
6. PIF INPUT IMPEDANCE
2 19 653 £17) 15 le, 1 G Ci'
si? ff? 3 l e, (ei? (i) |fg> m 11
s F J.
l r, l I l l
VAGC:5V R-x METER C--0.0 HF
f=5875MHz
7. SIF INPUT IMPEDANCE
R--X METER
f=4.5MHz VCC: 12v
LO Hi T
" (ri/jus-_-l-,--)--,-,,,-,,--],)])],),. (iii
1 3 t 6 B E? 10 11
I I3 I l l l
I: anwau? 001.9525 i?'37 D 0:901”
1983-3-30 TOSHIBA CORPORATION EJB-TA7680AP-10
GTIAIZ
http://www.chipdocs.com
mm INTEGRAI CIRCUIT
iiiWeea'i TECHNICAL DATA
'1UU76t30AP,TAl76ty1AP
8. ”INSIF IN P23
PM AM TEST
ATT o 0
SG OCIRCUIT 2C
DISTORTION
9. AUDIO OUTPUT IMPEDANCE
SIP IN P23
FM ----H . N.N
:ir'i;r/a)
IO. ATT MAX., GATT MIN, V1(1), V1(2)
SIF IN P2
ATT "SS, TEST (-3
so CIRCUIT 2
DISTORTION
CD 30973"? 0019589 LEE E3
1983-3-30 TOSHIBA CORPORATION EJB-TA7680AP-11
GTIAIZ
http://www.chipdocs.com
INTEGRAT
CIRCUIT
1giiiiitttto
Eiiftit
TECHNICAL DATA
TA7680AP , TA7681AP
ll. va
SIP IN PG
SO CIRCUIT
SW3 ' ON DISTORTION
12. THDAF
P23A PG
SW3 I ON DISTORTION
ATT : --26dB METER
13. Gv AF, VOAF MAX
SW3 OFF DISTORTION
C3 909?EH? 0019530 0H5 CD
1983-3-30 TOSHIBA .CORPORATlON EJB-TA7680AP-12
GTIAIZ
http://www.chipdocs.com
gii%n INTEGRAT CIRCUIT
Eiiirft TECHNICAL DATA
TA7680AP ,TA768 IAP
TEST CONDITION
Note I) VAGC (P5 EXT. Applying Voltage)=11.5V
PIF IN ; f=58.75MHz lkHz 307, AM Modulation.
Adjust PIF Input Level _ so that the detected output of P15A with high
impedance probe will be 0.8Vp_p and measure the Input Level.
Note 2) VAGC=4V
Measure PIF Input Level vi' same as NOTE 1
AA = zoeog 1,? [dB]
Note 3) PIF IN ; f=58.75MHz CW 15mVrms
Measure DC level of P15
Note 4) PIF IN ; f=58.75MHz APL 1002, 87.5% AM modulation.
P5 l open
(1) Adjust PIF Input Level 50mVp-p and measure the detected output level
VOIP-p
(2) Then increase the Input Level so that the detected output level will be
1nxv01p-p and measure the Input Level.
Note 5) VAGC=8V
PIF IN ; f=58.75NHzuF10NHz variable or sweep lSmVrms measure DC level of
V12(V)
l AD VBTH
BC VBCL
2 Ell VWTH
FG VWCL
1983-3-30 TOSHIBA CORPORATION EJB-TA761)AP-13
GTIAIZ D nnnPi?97 30133331: MI D q
http://www.chipdocs.com
aatn INTEGRAT CIRCUIT
Eiii'h"fi: TECHNICAL DATA
TA7680AP , TA768 IAP
Note 6) VAGC=8V (GR::30dB)
SGI : 58.75MHz CH
SG2 : 58.65-40MHz Variable
(1) Setting output of SGI so that DC level of P15 will be 4.0V
(2) Setting output of SC2 (58.65MHZ) so that AC level of P15 will be
0.5Vp-p
(3) Decreasing frequency of 802 until AC level of P15 will be 0.35Vp-p
(-3dB of 0.5Vp-p) then read fSG2=F
fBw--58.75-F MHz
Note 7) SGI ; 58.75MHz, lkHz 80% AM modulation lOOmVrms
SC2, SG3 ', OFF
Setting VAGC so that dutput AC level of P15 will be 2.71lp-p
Measure CL of P15 after setting to or. AN of SCI
7iFf("vp--p) (dB)
CL = 20 éog
Note 8) Measure 12nd of P15 same as NOTE 7
Note 9) VAcc=8V.
SGl ; 58.75MH2 (P; Picture) lOOmVrms
5G2 ; 54.25MHz (s; Sound) 32mVrmS(-10dB of SGI)
SG3 ; 55.17MHz (C; Chroma) 32mgrms(-10dB of SCI)
(1) Setting VAGC so that the output tip level (lower) of P15 will be
3.0V DC
(2) Measure the level difference (dB) between c-level and 920kHz level
Note 10) VAGC=8V
PIF IN ' f=58.75MHz Video Signal (ramp) 87.52 AM 100mVp-p
Setting ATT so that the sync tip level of P15 will be 2.5V DC
Measure DP and DG.
Note 11) VAGC=5V f=58.75MHz
Measure RIN, CIN
D 30372“? DDL‘IEBE Ph6 [:1
1983-3-30 TOSHIBA CORPORATION 1eJB-TA7680AP-14
GTIAIZ
http://www.chipdocs.com
gaiitt, INTEGRAT CIRCUIT
Eiiii'liift TECHNICAL DATA
'rAl76BOAP,TA76t31AP
Note 12) AFT Sensitivity gF/d(1r13--vrr)
(1) INT, AGC (P5 Open)
(2) PIF Input ; 58.75MHZ tl.0t4Hz, CW 15mVrms
(3) Read the frequency (f1) of PIF when v13-v1t---11r
(4) Read the frequency (f2) of PIF when V13-V1g=IV
Then caluculate
JF/gHv13-v14)---lf1--f2l
Note 13) AFW
(1) INT AGC (P5 Open)
, V130, VlAUa 1113L, V14L
(2) PIF IN ', 58.75MHz thMHz cu 15mvrms
(3) 8pF at Pin 16 should be shorted
(4) Read the frequency (fl or fe) when the V5 or V6
of A or B with varying the frequency.
from center frequency (f0).
V13 V14 (V)
Then band width is the difference
VlsU V140
I _ l - I
g / Ml
W AF/AV13_14 A 8:: CI
r- f I X, l-
V14L Vl4L
Note 14) P5 l Open
(1) Adjust the voltage of terminal 3 so that the voltage of terminal 4 will
be 6.0V DC
(2) Measure the terminal voltage 3
1983- 3- 30 TOSHIBA CORPORATION
GTIAIZ E: 30372“? UULHEBB ESQ E3
http://www.chipdocs.com
reduced to 9or, level
EJB-TA7680AP-15
gii%n INTEGRAT
CIRCUIT
TA7680AP , TA768 IAP
EEZZW TECHNICAL DATA
Note 15) P5 : Open
PIF IN ; 58.75MHz 1007, APL 87.5% AM modulation signal amplitude 50mVp-p
Measure detected output voltage (White peak to sync Tip)
Note 16) P5 : Open
SGI ; 58.75MHz CH lOOmVrms
SG2 ; 54.25MHZ CN 25mVrms
Measure SIF (4.5MHz) output voltage at P15
Note 17) SIF IN ; f=4.5MHz FM fM0D=400Hz Jf=i:25kHz
(1) Adjust SIF Input Level lOOmVp-p and measure the detected output level
(2) Then decrease the Input Level so that the detected output level will
be 3dB down of vos and measure the Input Level
Note 18) Output Impedance
- (l) SIF IN ; f=4.SMHz, fMOD=4OOHz, Af=i25kHz, 80dBgs
(2) AT P23 read the V01 at Rx=°°, then read the Rx when recovered output
become V01/2 with varying the RX.
The Rx is the output impedance.
Note 19) ATT MAX.
(1) SIF IN , f=4.5MHz, fM0D=4OOHz, df=t25kHz, 80dBu
(2) Read the AOOHz component of VAl at P2 with RA=0, then read VAl'
with RA---"''.
ATT MAX = 20 gog _d./y.y....1,
Note 20) uPT
(1) SIF IN ; f=4.5MHz, fM0D=4OOHz, Af=t25kHz, 80dBu
(2) Read the 400Hz component at P3
Note 21) CV AF
(1) Apply 400Hz 0.1Vrms signal to P2
(2) Read the output voltage at P3
1983-3-30 TOSHIBA CORPORATION EJB-TA7680AP-16
GTIAttt ID HUH?EH? UULHEBH 590 E3
http://www.chipdocs.com
g5ttsn
INTEGRAT
CIRCUIT
TECHNICAL DATA
TA7680AP ,TA7681AP
APPLICATION CIRCUIT
30k!) V01.
TRF6002
47 pF 47 pl“
TRF1027
TRF1028
TCCC-n
r---"-"',
L.-- _J
TOSHIBA CORPORATION
GTIAIZ
http://www.chipdocs.com
1cJB-TA7, 680AP- l7
103729? DULQEBS HE? E3

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